Everything so far was profiling. This is the moment it pays.
Here is what you have collected so far:
| Source | Fact |
|---|---|
| Handshake (pcap), stage 5 | passphrase SHA-256 hash |
| The Mask (file format), stage 6 | the vault, a zip riding behind the image |
| Handle Trace (osint), stage 2 | his pet, Marzipan |
| Metadata Trail (exif), stage 3 | the year, 1996 |
| Backmask (audio), stage 4 | the spoken word, ledger |
Barry's note on the vault is, for once, almost helpful. He reverse-engineered the suspect's password habit and wrote down the rules, not the password:
Rules of the house:
- only the three facts, nothing else
- all lowercase
- concatenated, no separators
- numbers stay as digits
- any order
- he sometimes adds a single symbol at the end. Sometimes.
"Constrain the space, then let the machine walk it."
Cracking the SHA-256 is the fast path: it confirms the exact passphrase offline, without hammering the archive. That passphrase is almost certainly what he used to encrypt his vault, so the same string that satisfies the hash opens the zip.
Inside are three numbered fragments (1, 2, 3) and a note marked 0. Open the vault and submit
the codeword written in note 0.
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